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Michael Pursifull's Groups

Michael Pursifull's Discussions

False Speed Spikes in KML Exports

Started Nov 16, 2012 0 Replies

Hey guys... I noticed something in my last few weeks of flight, and I thought I'd ask if others are seeing it before I dig into the logs and try to sort out of this is coming from AC2.81, Mission…Continue

Tags: Velocity, Escape, Speed, KML, ArduCopter

Accident Report: Bixler/APM2/AP2.50

Started this discussion. Last reply by Steven G Jul 29, 2012. 2 Replies

Hey folks... this is just informational. You're welcome to look into the data for more lessons learned, I'm sure there is more to learn from the telemetry logs, but mainly I simply wanted to share an…Continue

Tags: Report, Accident, ArduPlane

avrdude: stk500v2_ReceiveMessage(): timeout & System.IO.IOException Errors

Started this discussion. Last reply by Yogesh Girdhar Aug 18, 2012. 3 Replies

Hey guys (mainly 3DR, but anyone who has input/suggestions)I have quite  a few APMs and three APM2. I've got one that I haven't flown (an APM2) and I just put a case on one of them... I believe, in…Continue

Tags: Errors, APM2, System.IO.IOException, &, stk500v2_ReceiveMessage():

Jumper(s) for APM2 onboard GPS?

Started this discussion. Last reply by Michael Pursifull Jul 14, 2012. 39 Replies

UPDATE: See the manual.Hey guys, this is mainly a question for our friends at 3DR, but anyone who has looked at the…Continue

Tags: Jumper, External, GPS, APM2

 

Michael Pursifull's Page

Profile Information

About Me:
ok. yes! err, what was the question?
Tell us a bit about your UAV interest
could not get updated aerial imagery that I know exists, then I found Chris' video announcing DIY Drones and I caught the bug. hard.

Michael Pursifull's Photos

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Latest Activity

Michael Pursifull replied to Andie Gray's discussion JDrones Communication
Jun 11
Michael Pursifull replied to Dan's discussion Telemetry Based Remote Control (Serial Comms)
"Go get maxproxy. It's not that you need maxproxy, but it will help answer your questions more easily."
Jun 11
Michael Pursifull commented on Thomas J Coyle III's blog post UAV support group for North Texas
"In case anyone runs across this thread looking for a North Texas group, please see http://ntdrone.org"
Jun 9
Michael Pursifull replied to Patrick Wiesen's discussion Convert MAVLink-message to PWM-output in the group ArduRover User Group
"Take a look at mavproxy. Then look at the commands to set an RC channel to a specific pwm value."
Jun 6
Michael Pursifull replied to Riley Huddleston's discussion Power Distrobution board => APM ground wire has started to melt the insulation.
"V=IR"
Jun 3
Michael Pursifull replied to Tyler Porter's discussion Mission Planner & Real Flight R/C Simulator
"Listen to Gary. It's a free download. If you must pay for a sim, you can grab x-plane."
Jun 3
Michael Pursifull replied to Dipika K's discussion Seeking help with flying Arducopter 3DR quad
"Go get a ladybird or MQX to practice with. Don't let that stop you from finding an expert also."
Jun 3
Michael Pursifull replied to Euan Ramsay's discussion What happens if I engage AUTO without any waypoints?
"May I suggest that you look into HiL/SitL? It is a more reliable way to test your missions than relying on opinion about what will happen with any specific version of code and conditions. Of course we have a large number of very experienced,…"
Jun 3
Michael Pursifull replied to Leonard Palumbo's discussion Quadcopter Unstable With 15” Propellers
"I don't think you have the concept here about "tuning" No, IMAX isn't related directly to motor current."
May 27
Michael Pursifull replied to Leonard Palumbo's discussion Quadcopter Unstable With 15” Propellers
"My impression, from the little bit of description I've read, I would reduce slightly your Stabilize Control P.  However, it might be helpful if you were to make a video so we can see what you mean by "wobble". Is it a fast…"
May 27
Michael Pursifull replied to Leonard Palumbo's discussion Quadcopter Unstable With 15” Propellers
May 27
Michael Pursifull replied to Leonard Palumbo's discussion Quadcopter Unstable With 15” Propellers
"What PID tuning have you done? This sounds far more simple to me. Larger prop (more thrust) so you get a wobble/oscillation. Your response, add more powerful motors, and it gets worse. Have you followed the PID tuning guides? Reduced P?"
May 27
Michael Pursifull replied to renaud barbier's discussion is goodluckbuy a reputable website to buy APM2.5?
"It is a major clone operation. They often don't work. They don't have rights to the name, but use it anyways, and they are known for using out of spec parts, providing little or no QA. All you need to know is in their name."
May 20
Michael Pursifull commented on Chris Anderson's blog post Here's the page for local DIY Drones fly/meetup groups. Add yours (or make one)!
"Dallas Area (North & Northeast Texas) is hosting a gathering on the 18th of May 2013; we have 29 builders coming so far, and space for a few more."
May 12
Disobedient Tiger left a comment for Michael Pursifull
"thanks for the invite. i will try to poke my head in if i can."
May 8
Michael Pursifull replied to Jesus's discussion Changing flight modes with ApmPlanner
"Yes, but it is harder to switch out to manual in time, even with a mode switch, and next to impossible where timeliness is important using the mouse... The main flight page has drop down boxes to change modes, and you can also change modes with…"
May 7

Comment Wall (13 comments)

At 12:37pm on September 25, 2011, George Swanberg said…

Hi Mike,

I put a camera and video transmitter on a Blade 120 heli around the beginning of the year. It works very well for FPV flying, but is a handful being a heli. My next project will be to put a camera with either head tracking or manual swivel capabilities on my e-flite Apprentice. Trying right now to figure out the best way to mount it for best visibility while protecting the camera.

George

At 5:52am on September 26, 2011, George Swanberg said…

Good idea on the meeting. I'd like to participate if possible schedulewise.

George

 

At 11:13am on September 26, 2011, Todd Hill said…

Hi Mike,  Thanks for the help, but I think I found my problem.  Damaged component on the adapter board.  Actually it is missing.  Could have come off from just handling.  It was L1 on the Interface Board.  You know what this part is?  I have removed the gps module and antenna from the interface board.  I am looking to just replace it as soon as I am able to determine where I can get a new interface.  I think from now on I will be setting up my own hardware instead of buying it already configured.  Seems I am disappointed more often than not with what I get with these plug and play devices.  DiyDrones store support was unable to identify the problem when I sent it to them.  Not complaining, but you should know more about what you sell.  

At 12:31am on October 1, 2011, Daniel Hibben said…

yes it is the hi-tec HS-85bb it ha metal gears and a bearing on the output shaft i found that most servos blew out real fast on the tail of this thing and so far the HS-85bb has held up really well i got it from servo city for 20$

At 1:22pm on November 5, 2011, George Swanberg said…

Hi Mike,

I've been getting help outfitting my E-Flite Apprentice for FPV here in a few weeks. Here's an Apprentice in Co. flying over Devil's Thumb. He's using a GoPro camera to record this wonderful qualtiy video. This guy also helped me choosing equipment to put onboard my plane. At this time this plane and mine mostly have in common that they fly over the same planet. But, I have aspirations

 http://vimeo.com/30959546

Everything's been ordered to equip my plane. I found another man, Chris Edwards who was flying FPV near Home Depot in Warrenton. He's a great resource in the area.  We're looking for available flying spaces out here west of Warrenton. It's beautiful open country just beyond where the TFRs are routine so there's not as much interference in flying activities. Lot's of pilots and interest in flying related things, however, in this area.

 

At 7:34am on February 11, 2012, George Tarrant said…

Mike

I'm not quite sure what you are saying. Do you thinbk I should have put my most recent offer of PID tuning somehwre else? If so, where?

At 8:20pm on February 12, 2012, trappy said…

thanks mike. we're already back in europe, unfortunately :(

At 5:58am on February 23, 2012, Michael Smith said…

Thanks Mike!  That was my first Blog ever.  Not sure if I can make changes to it...would check the speeling if I could as I was on the way out the door when I wrote it.  I am in AZ right now, but will be flying to Baltimore and staying there for a while.  How far is that from your area?  I know of a few good airclubs/fields south of Baltimore.

At 4:26pm on June 19, 2012, jason champion said…
Sorry mike im all new to this how do i delete this..
At 4:00am on July 29, 2012,
Admin
Thomas J Coyle III
said…

Hi Mike,

Thanks for the friend link. Yes, some type of standardized format for reporting hardware/software malfunctions, whether it is the result of a crash or not, might be very helpful to the rest of the the DIY Drones community.

Regards,

TCIII

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Michael Pursifull's Blog

Research on New Generation of GPS Vulnerabilities Published

Posted on December 9, 2012 at 9:30pm 4 Comments



Slashdot is carrying a story about new research published by the good folks at…

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HiLStar17 Public Release

Posted on July 9, 2012 at 1:36am 16 Comments

Nothing is ever perfect. Or even as right as we might like. But I've been holding out on you, my friends, focused as I was until lately on moderating, I haven't been taking the final steps to share my code, photos and images of my aircraft, and other files I've been working on, such as this X-Plane model of an ArduPlane based on the…

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ArduSat: An Unmanned Falling Vehicle on which you might run code

Posted on June 16, 2012 at 6:00am 8 Comments

Think you have challenges getting that sonar, airspeed sensor, or magnetometer to produce clean data in the harsh environment on your Skywalker, with ESCs, RF fields, 65mph winds, and multi-G impacts? Well, the guys over at NanoSatisfi are looking for a new level of pain, and have a …

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New High Resolution Sonar Line from MaxBotix: HRLV

Posted on June 14, 2012 at 9:30pm 17 Comments

Our friends at MaxBotix have updated their offering of ultrasound sonar sensors by adding the new High Resolution LV line. The defining characteristic of this new line of sonars is the 1mm resolution. Yes. 1mm. Well, more correctly, "the HRLV-MaxSonar-EZ Sensors offer calibrated 1 mm accuracy…

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